/Engine/Plugins/Experimental/ScriptableToolsFramework/Source/ScriptableToolsFramework/Public/ScriptableInteractiveTool.h
The OnGizmoTransformChanged event fires whenever the transform on any Gizmo created byCreateTRSGizmo()is modified. The GizmoIdentifier can be used to disambiguate multiple active Gizmos.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintImplementableEvent, Category="ScriptableTool|Events") void OnGizmoTransformChanged ( const [FString](API\Runtime\Core\Containers\FString) & GizmoIdentifier, FTransform NewTransform )